_ the same climate as themselv 
7 . t . ‘a ie nt 
a 
Oa 
si A 
J.D. Hooker, Introductory Essay to the Flora of Tasmania. 323 
blage of northern forms still left in Australia; for even when 
reduced to its most typical examples, it consists of nearly as 
many natural orders as species. The little colony of south Aus- 
0 
— (as the Seandinavian and Arctic plants are sup y 
orbes to have been transported to Britain, ete., during the gla- 
mere fragment of a much more extensive one, whose other 
members perished in the battle for place waged with the Euro- 
pean and Australian during those changes of climate and level 
that succeeded their first introduction. e ultimate nume 
ascendancy of the Australian botanical element may have been 
itself 
Talian type was to seck warmer regions, and 
and antarctic types being better suited toa colder climate pre- 
Vented to a great extent the establishment of such varieties of 
Australian type as might otherwise have been adapted to inhabit 
W a comprehenst 
Old World, I am striskeaeth the appearance it presents of there. 
express myself) from Scandinavia to Tasmania; along, in short, 
the whole sah of that arc of the terrestrial sphere which pre- 
sents the greatest continuity of land. In the first place, Scandi- 
navian genera, and even species, reappear everywhere from Lap- 
